Cremona's table of elliptic curves

31248 = 2⁴ · 3² · 7 · 31

Field	Data	Notes
Atkin-Lehner	2+ 3+ 7- 31-	Signs for the Atkin-Lehner involutions
Class	31248h	Isogeny class
Conductor	31248	Conductor
∏ cp	16	Product of Tamagawa factors cp
Δ	514467072 = 28 · 33 · 74 · 31	Discriminant
Eigenvalues	2+ 3+ -4 7-  4 -2 -2 -4	Hecke eigenvalues for primes up to 20
Equation	[0,0,0,-447,3470]	[a1,a2,a3,a4,a6]
Generators	[-11:84:1]	Generators of the group modulo torsion
j	1429033968/74431	j-invariant
L	4.1439346146745	L(r)(E,1)/r!
Ω	1.6284356695427	Real period
R	0.63618334641341	Regulator
r	1	Rank of the group of rational points
S	0.99999999999999	(Analytic) order of Ш
t	2	Number of elements in the torsion subgroup
Twists	15624a2 124992ef2 31248g2	Quadratic twists by: -4 8 -3

Hecke Eigenvalues for elliptic curve 31248h2

a2	a3	a5	a7	a11	a13	a17	a19	a23	a29	a31	a37	a41	a43	a47	a53	a59	a61	a67	a71	a73	a79	a83	a89	a97
+	+	-4	-	4	-2	-2	-4	4	2	-	-2	4	0	-2	-6	-10	10	-12	10	-6	-12	-4	-6	2

---

Quadratic twists for elliptic curve 31248h2

-4	8	-3
15624a2	124992ef2	31248g2

---

Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
Back to Tables and computations